Steering the Beam Directions in Terahertz Band by Frequency Sweeping

被引：0
|
作者：
Li, Chao [1 ]
Li, ShiChao [1 ]
Zhang, XiaoJuan [1 ]
Fang, GuangYou [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect, Key Lab Electromagnet Radiat & Sensing Technol, Beijing 100190, Peoples R China
来源：
2014 39TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2014年
关键词：
ANTENNA; GHZ;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel beam scanning antenna in 0.2 Terahertz band based on frequency-scanning grating-reflector was studied in this paper. A bilayer structure is introduced and optimized to improve the diffraction efficiency and to suppress the specular beam. The frequency-controlled beam steering concept was verified by the quasi-optical measurements in 0.2THz band. The measured scanning range is 13.55 degrees over the frequency band 180GHz-220GHz. The proposed antenna can be fabricated easily and has potential applications in THz imaging systems with high frame rate.
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页数：2
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